AIR BRAKES CDL PRACTICE TEST - HAWAII
6.
Antifreeze:
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helps the engine only when the temperature is below freezing.
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helps the engine only under hot conditions.
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helps the engine under hot conditions as well as cold conditions.
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7.
The trailer hand valve should:
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never be used for parking.
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be used in driving.
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never be used to test the trailer brakes.
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8.
ABS:
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helps you avoid skids caused by over braking.
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helps you stop faster.
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improves your visibility at night.
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9.
The parking brake:
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should be used when you need to apply the brakes firmly.
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should be used whenever you park.
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should be used when driving in bad weather.
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10.
How can you tell if your vehicle is equipped with ABS?
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Look for yellow ABS malfunction lamps on the instrument panel.
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Trailers will have yellow ABS malfunction lamps on the left side.
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All of the above.
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